this post was submitted on 17 Sep 2023
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[–] Natanael@slrpnk.net 2 points 1 year ago (2 children)

Yeah, the router ought to know that public IP belongs to a device in its own network unless you're doing stuff like running your own router behind an ISP provided router and just forwarding ports instead of maintaining IP assignment / routing tables

[–] dot20@lemmy.world 1 points 1 year ago

I think OP is referring to NAT hairpinning though.

[–] MDKAOD@lemmy.ml 1 points 1 year ago

Tell that to my opnsense box that refuses to NAT mirror.